sun .5deg.comDumai, Indonesia (Riau) Sunrise, Sunset, Sun position (Altitude, Azimuth), Twilight and Daylight For day: 2026-07-31.
All times are shown in Dumai local time (GMT+07:00
).
Night, Twilight, and Daylight Times in Dumai for this day: 2026-07-31
 |
Zone Type | Start | End | Length |
| Night | 00:00:00 | 05:02:20 | 5h 2m 20s | |
| Astronomical Twilight | 05:02:20 | 05:27:48 | 25m 28s | |
| Nautical Twilight | 05:27:48 | 05:53:09 | 25m 21s | |
| Civil Twilight | 05:53:09 | 06:14:53 | 21m 44s | |
| Daylight | 06:14:53 | 18:26:25 | 12h 11m 32s | |
| Civil Twilight | 18:26:25 | 18:48:09 | 21m 44s | |
| Nautical Twilight | 18:48:09 | 19:13:31 | 25m 22s | |
| Astronomical Twilight | 19:13:31 | 19:38:59 | 25m 28s | |
| Night | 19:38:59 | 23:59:59 | 4h 21m 0s |
Sunrise, Sunset and Solar noon here: Dumai, ID, for day: 2026-07-31.
| Sunrise | Solar noon | Sunset | |
| Time | 06:14:53 | 12:20:39 | 18:26:25 |
| Azimuth | 71.5° | 0° | 288.3° |
| Day Length |  |
12h 11m 32s |  |
Distance Earth-Sun (Center-to-center
12:00):
151 853 800 km94 357 577 mi
0°= North, 180°=South
Solar noon
Table view of above data:
(Azimuth: 0°=North, 90°=West, 180°=South, 270°=East)
| Time | Altitude | Azimuth |
| 000 | -69.2° | 345.9° |
| 100 | -67.7° | 25° |
| 200 | -58.4° | 49.3° |
| 300 | -46° | 60.9° |
| 400 | -32.5° | 66.8° |
| 500 | -18.6° | 69.9° |
| 600 | -4.4° | 71.4° |
| 700 | 9.8° | 71.6° |
| 800 | 24° | 70.6° |
| 900 | 38° | 67.8° |
| 1000 | 51.6° | 61.9° |
| 1100 | 64° | 48.6° |
| 1200 | 72.5° | 16.8° |
| 1300 | 70.8° | 330.8° |
| 1400 | 60.5° | 306.1° |
| 1500 | 47.6° | 295.8° |
| 1600 | 33.8° | 291.1° |
| 1700 | 19.7° | 288.9° |
| 1800 | 5.5° | 288.2° |
| 1900 | -8.7° | 288.8° |
| 2000 | -22.9° | 290.7° |
| 2100 | -36.7° | 294.4° |
| 2200 | -50° | 301.5° |
| 2300 | -61.8° | 315.9° |
| 2400 | -69.4° | 345.7° |